class RemoveBitvectorsFromMobiles < ActiveRecord::Migration
  def self.up
    remove_column :mobiles, :action_bitvector_id
    remove_column :mobiles, :affection_bitvector_id
  end

  def self.down
    add_column :mobiles, :affection_bitvector_id, :integer
    add_column :mobiles, :action_bitvector_id, :integer
  end
end
